22040215243 has 8 divisors (see below), whose sum is σ = 22112767040. Its totient is φ = 21967700040.

The previous prime is 22040215207. The next prime is 22040215247. The reversal of 22040215243 is 34251204022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22040215243 - 2⁹ = 22040214731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22040215247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723768 + ... + 1736506.

It is an arithmetic number, because the mean of its divisors is an integer number (2764095880).

Almost surely, 2^22040215243 is an apocalyptic number.

22040215243 is a deficient number, since it is larger than the sum of its proper divisors (72551797).

22040215243 is a wasteful number, since it uses less digits than its factorization.

22040215243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18297.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22040215243 its reverse (34251204022), we get a palindrome (56291419265).

The spelling of 22040215243 in words is "twenty-two billion, forty million, two hundred fifteen thousand, two hundred forty-three".